pH Meter
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| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | B-711 / B-712 |
| Instrument Type | Pen-style pH Meter |
| Parameter Type | Single-parameter (pH) |
| Measurement Range | 2.0–12.0 pH |
| Resolution | 0.1 pH |
| Accuracy | ±0.1 pH (after calibration with standard buffers) |
| Calibration Solutions | pH 4.01, 7.00, and 9.01 buffer solutions |
| Calibration Modes | B-711 — single-point calibration |
| Minimum Sample Volume | 0.05 mL (with optional sampling film B) or ≥0.1 mL |
| Temperature Compensation | Automatic (NTC thermistor) |
| IP Rating | IP67 (dust-tight |
| Operating Environment | 5–40 °C, ≤85% RH (non-condensing) |
| Power Supply | Two CR2032 lithium coin cells |
| Dimensions (L×W×H) | 164 × 29 × 20 mm (excl. protrusions) |
| Weight | Approx. 50 g (instrument only, excluding batteries) |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | B-711 / B-712 |
| Instrument Type | Pen-style pH Meter |
| Parameter Type | Single-parameter (pH) |
| Measurement Range | 2.0–12.0 pH |
| Resolution | 0.1 pH |
| Accuracy | ±0.1 pH (after calibration, measured in standard buffer solutions) |
| Calibration Options | B-711 — single-point (pH 7.0) |
| Minimum Sample Volume | 0.05 mL (with optional sampling film B) |
| Temperature Compensation | Automatic (ATC) |
| IP Rating | IP67 (dust-tight |
| Operating Environment | 5–40 °C, ≤85% RH (non-condensing) |
| Power Supply | Two CR2032 lithium coin cells |
| Dimensions (L×W×H) | 164 × 29 × 20 mm (excl. protrusions) |
| Weight | Approx. 50 g (instrument only, excluding batteries) |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | LAQUAtwin pH B-711 (single-point calibration) / B-712 (dual-point calibration) |
| Instrument Type | Pen-type pH meter |
| Parameter Type | Single-parameter (pH) |
| Measurement Range | 2.0–12.0 pH |
| Resolution & Accuracy | ±0.1 pH |
| Minimum Sample Volume | 0.05 mL (with sampling film) or ≥0.1 mL |
| Calibration Solutions | pH 4.01, 7.00, and 9.18 standard buffers |
| Temperature Compensation | Automatic (ATC), 5–40 °C operating range |
| Ingress Protection | IP67 (submersible to 1 m for 30 min) |
| Power | Two CR2032 lithium coin cells |
| Dimensions | 164 × 29 × 20 mm (excl. protrusions) |
| Weight | ~50 g (instrument only, batteries excluded) |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | B-711 / B-712 |
| Instrument Type | Pen-style pH Meter |
| Parameter Type | Single-parameter (pH) |
| Measurement Range | 2.0–12.0 pH |
| Accuracy | ±0.1 pH |
| Resolution | 0.1 pH |
| Calibration Solutions | pH 4.01, 7.00, and 9.18 standard buffers |
| Calibration Modes | B-711 — single-point |
| Temperature Compensation | Automatic (ATC) |
| IP Rating | IP67 (dust-tight |
| Sample Volume | ≥0.05 mL (with optional sampling film) |
| Operating Environment | 5–40 °C, ≤85% RH (non-condensing) |
| Power | Two CR2032 lithium batteries |
| Dimensions (L×W×H) | 164 × 29 × 20 mm (excl. protrusions) |
| Weight | ~50 g (instrument only, excl. batteries) |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | B-711 / B-712 |
| Instrument Type | Pocket pH Meter |
| Parameter Type | Single-Parameter (pH) |
| Measurement Range | 2.0–12.0 pH |
| Resolution & Accuracy | ±0.1 pH |
| Calibration | B-711 — One-Point (pH7) |
| Minimum Sample Volume | 0.05 mL (with optional sampling film) |
| Temperature Compensation | Automatic (5–40 °C) |
| IP Rating | IP67 (dust-tight |
| Power | Two CR2032 batteries |
| Dimensions | 164 × 29 × 20 mm (excl. protrusions) |
| Weight | ~50 g (instrument only) |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | pH-33 |
| Instrument Type | Pen-style |
| Parameter Type | Single-parameter (pH) |
| Measurement Range | 0.00–14.00 pH |
| Resolution | ±0.01 pH |
| Accuracy | ±0.01 pH |
| Calibration Solutions | pH 4.01 and pH 7.00 standard buffers |
| IP Rating | IP67 |
| Electrode Type | Integrated flat-surface pH electrode |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | pH22 |
| Instrument Type | Pen-Style pH Meter |
| Parameter Type | Single-Parameter (pH/mV) |
| Measurement Accuracy | ±0.01 pH |
| Measurement Range | 0–14 pH / ±650 mV |
| Resolution | 0.01 pH |
| Calibration Standards | NIST-traceable and USA-standard buffer solutions |
| IP Rating | IP67 |
| Temperature Compensation | Automatic (ATC) |
| Display | Monochrome LCD with Auto-Hold & Auto-Stabilization |
| Power | 2 × CR2032 batteries (≈400 hours operational life) |
| Dimensions | 164 × 29 × 20 mm (L×W×H, excluding protrusions) |
| Weight | ≈45 g (instrument only, without batteries) |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | 4163-10T |
| Temperature Range | 0–100 °C |
| Application | Integrated temperature sensing for automatic compensation in pH and ORP measurements |
| Part Number | 3014080375 (9003013000) |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | OM-71 |
| Instrument Type | Portable |
| Parameter Type | Single-parameter (Dissolved Oxygen) |
| Measurement Range | 0.00–19.99 mg/L |
| Resolution | 0.01 mg/L |
| Accuracy | ±0.01 mg/L |
| Measurement Principle | Membrane-based Galvanic Cell |
| Temperature Compensation | 0–40 °C |
| Salinity Compensation | 0–40 ppt |
| Atmospheric Pressure Compensation | Yes |
| Saturation DO Range | 0.0–200.0 % |
| Oxygen Concentration Range | 0.0–50.0 % |
| Display | Backlit Monochrome LCD |
| Data Storage | 1000 records with timestamp, ID, and temperature |
| Environmental Rating | IP67 |
| Operating Temperature | 0–45 °C |
| Power | 2× AAA alkaline or Ni-MH batteries (≈500 h battery life) |
| Dimensions | 67 × 28 × 170 mm (max thickness 80 mm) |
| Weight | 270 g (body only) |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | PH-11 |
| Instrument Type | Pen-Style pH Meter |
| Parameter Type | Single-Parameter (pH) |
| Measurement Range | 0–14 pH |
| Resolution | ±0.01 pH |
| Accuracy | ±0.01 pH |
| Calibration Solutions | pH 4.01 and pH 7.00 standard buffers |
| Temperature Compensation | Automatic (ATC) |
| Electrode Type | Integrated flat-surface pH sensor |
| Sample Volume Requirement | As low as 100 µL |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | PH-22 |
| Instrument Type | Pen-Style pH Meter |
| Parameter Type | Single-Parameter (pH) |
| Measurement Range | 0–14 pH |
| Resolution | ±0.01 pH |
| Accuracy | ±0.01 pH |
| Calibration Solutions | pH 4.01 and pH 7.00 standard buffers |
| Temperature Compensation | Automatic (ATC) |
| Electrode Type | Flat-Surface pH Sensor |
| Minimum Sample Volume | 100 µL |
| Compliance | Designed for GLP-compliant field and lab use |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | PH-22 |
| Instrument Type | Pen-style pH Meter |
| Parameter Type | Single-parameter (pH) |
| Measurement Range | 0–14 pH |
| Resolution | ±0.01 pH |
| Accuracy | ±0.01 pH |
| Calibration Solutions | pH 4.01 and pH 7.00 standard buffers |
| Temperature Compensation | Automatic (ATC) |
| Electrode Type | Flat-surface pH sensor |
| Minimum Sample Volume | 100 µL |
| Compliance | Designed for routine field and lab use in accordance with ISO 7888 and ASTM D1293 guidelines |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | PH-22 |
| Instrument Type | Pen-style pH Meter |
| Parameter Type | Single-parameter (pH) |
| Measurement Range | 0–14 pH |
| Resolution | ±0.01 pH |
| Accuracy | ±0.01 pH |
| Calibration Solutions | pH 4.01 and pH 7.00 standard buffers |
| Temperature Compensation | Automatic (ATC) |
| Electrode Design | Flat-surface pH sensor |
| Minimum Sample Volume | 100 µL |
| Compliance | Designed for general laboratory, field, and quality control use per ISO 3696 (Grade 3 water), ASTM D1293, and JIS K 0107 |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Instrument Type | Pen-Style pH Meter |
| Parameter Type | Single-Parameter (pH) |
| Measurement Range | 0–14 pH |
| Resolution | ±0.01 pH |
| Accuracy | ±0.01 pH |
| Calibration Solutions | pH 4.01 and pH 7.00 standard buffers |
| Temperature Compensation | Automatic (ATC) |
| Electrode Type | Flat-Surface pH Sensor |
| Minimum Sample Volume | 100 µL |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | PH22 |
| Instrument Type | Pen-Style pH Meter |
| Parameter Type | Single-Parameter (pH) |
| Measurement Range | 0–14 pH |
| Resolution | ±0.01 pH |
| Accuracy | ±0.01 pH |
| Calibration Solutions | pH 4.01 and pH 7.00 standard buffers |
| Temperature Compensation | Automatic (ATC) |
| Electrode Type | Flat-Surface pH Sensor |
| Minimum Sample Volume | 100 µL |
| Compliance | Designed for routine compliance with ISO 8655, ASTM D1293, and EPA Method 150.1 |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | PH22 |
| Instrument Type | Pen-Style pH Meter |
| Parameter Type | Single-Parameter (pH) |
| Measurement Range | 0.00–14.00 pH |
| Resolution | ±0.01 pH |
| Accuracy | ±0.01 pH |
| Calibration Solutions | pH 4.01 and pH 7.00 standard buffers |
| Temperature Compensation | Automatic (ATC) |
| Electrode Design | Flat-Surface pH Sensor |
| Minimum Sample Volume | 100 µL |
| Compliance | Designed for routine QC, field testing, and GLP-aligned workflows |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | PH22 |
| Instrument Type | Pen-Style pH Meter |
| Parameter Type | Single-Parameter (pH) |
| Measurement Range | 0.00–14.00 pH |
| Resolution | ±0.01 pH |
| Accuracy | ±0.01 pH |
| Calibration Solutions | pH 4.01 and pH 7.00 standard buffers |
| Temperature Compensation | Automatic (ATC) with integrated temperature sensor |
| Sample Volume Requirement | As low as 100 µL |
| Electrode Design | Flat-surface pH sensing element |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Instrument Type | Pen-Style pH Meter |
| Parameter Type | Single-Parameter (pH) |
| Measurement Range | 0–14 pH |
| Resolution | ±0.01 pH |
| Accuracy | ±0.01 pH |
| Calibration Solutions | pH 4.01 and pH 7.00 standard buffers |
| Temperature Compensation | Automatic (ATC) |
| Electrode Type | Flat-Surface pH Sensor |
| Minimum Sample Volume | 100 µL |
| Compliance | Designed for routine QC, field testing, and educational use in accordance with ISO 7888 and ASTM D1293 guidelines |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | ToupH™ Series (e.g., 9615-10D, 9625-10D, 0040-10D) |
| Temperature Range | 0–100 °C (glass) |
| pH Range | 0–14 (standard) |
| Construction | Composite glass or ISFET sensing element with integrated temperature sensor and double-junction reference system |
| Compliance | Designed for ASTM D1293, ISO 10523, USP <791>, and GLP/GMP environments requiring traceable calibration and stable long-term drift performance |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | U-50 Portable |
| Instrument Type | Multiparameter |
| Parameter Count | 11 |
| pH Range | 0–14 |
| pH Resolution & Accuracy | 0.01 pH |
| ORP Range | −2000 to +2000 mV |
| DO Range | 0–50.0 mg/L |
| DO Resolution | 0.01 mg/L |
| Conductivity Range | 0–10 S/m |
| Turbidity Methods | LED forward scatter (U-53), tungsten lamp 90° scatter (U-53G), LED 90° scatter (U-54) |
| Turbidity Resolution | 0.01 NTU (0–10 NTU range) |
| Depth Measurement | up to 30 m (pressure-based, optional on U-52G/U-53G/U-54G) |
| Temperature Range | −10 to 55 °C |
| IP Rating | IP67 (host), IP68 (probe) |
| Battery Life | up to 70 h (alkaline AA ×4, backlight off) |
| Data Storage | 10,000 sets |
| Communication | USB |
| Calibration | 2-point pH (pH 4.01/7.00/9.18 buffers), multi-point turbidity/conductivity |
| Brand | Huake Instrument |
|---|---|
| Origin | Beijing, China |
| Model | HK-3C |
| Instrument Type | Benchtop |
| Parameter Type | Single-parameter (pH) |
| Measurement Range | 0.00–14.00 pH |
| Resolution | 0.01 pH |
| Accuracy | ±0.02 pH |
| Calibration Solutions | GB/T 604–2002 compliant standard buffers (pH 4.00, 6.86, 9.18 at 25 °C) |
| Temperature Compensation | Automatic or manual (0.1–60.0 °C) |
| Input Impedance | ≥1 × 10¹² Ω |
| Response Time (T₉₀) | ≤60 s at 25 °C |
| Display | 192 × 64 dot-matrix LCD (switchable Chinese/English) |
| Power Supply | AC 100–240 V, 50–60 Hz |
| Power Consumption | 3 W |
| Dimensions | 270 × 200 × 65 mm (L × W × H) |
| Weight | 1.5 kg |
| Key Features | Touchscreen interface |
|---|---|
| pH range | −2.000 to 20.000 |
| pH resolution | 0.001/0.01/0.1 selectable |
| pH accuracy | ±0.002 |
| mV range | −2000.0 to +2000.0 mV |
| mV resolution | 0.01/0.1/1 selectable |
| mV accuracy | ±0.1 mV |
| Temperature range | −30.0 to 130.0 °C (MTC), −5.0 to 130.0 °C (ATC) |
| Temp. accuracy | ±0.1 °C |
| Brand | JENCO |
|---|---|
| Origin | USA |
| Model Series | 610 / 620D / 650 |
| Measurement Range | 0.0–14.0 pH, ±999 mV (620D & 650) |
| Resolution | 0.1 pH (all models), 1 mV (620D & 650) |
| Accuracy | ±0.2 pH (610), ±0.1 pH (620D), ±0.2% ±1 mV (620D & 650) |
| Automatic Temperature Compensation (ATC) | 0–60 °C (620D only) |
| Calibration | Single-point (610 & 650), Two-point (620D) |
| Operating Temperature | 0–50 °C |
| Battery Life | ~1000 h (610), ~400 h (620D & 650) |
| Power | 4 × 1.5 V button cells (LR44 or equivalent) |
| Dimensions | 150 × 32 × 15 mm (L × W × H) |
| Brand | JENCO |
|---|---|
| Origin | USA |
| Model | 6173 / 6173R |
| pH Range | –6.00 to 20.00 pH |
| pH Resolution | 0.01 pH |
| pH Accuracy | ±0.01 pH |
| ORP Range | –2000 to +2000 mV |
| ORP Resolution | 1 mV |
| ORP Accuracy | ±0.05% FS |
| Temperature Range | –10.0 to 120.0 °C |
| Temperature Resolution | 0.1 °C |
| Temperature Accuracy | ±0.5 °C |
| Calibration Points | 2-point (user-selectable buffers: 4.01/7.00/10.01 or 4.00/6.86/9.18) |
| Temperature Compensation | Automatic or Manual (–10.0 to 120.0 °C) |
| Electrode Slope Compensation | ±30% |
| Zero Offset Compensation | ±90 mV at pH 7.00/6.86 |
| Endpoint Detection & Hold Function | Yes |
| Data Storage | Calibration history retained |
| Communication Interface | RS-232C (6173R only) |
| Power Supply | 6 × AA batteries (1.5 V) or optional AC adapter |
| Dimensions | 230 × 165 × 80 mm |
| Weight | ~650 g (battery-free) |
| Environmental Rating | 0–50 °C, <95% RH non-condensing |
| Certifications | CE compliant |
| Brand | Jenway |
|---|---|
| Origin | United Kingdom |
| Model | 3510 |
| Instrument Type | Benchtop |
| Parameter Type | Single-parameter (pH/mV/°C) |
| pH Range | –2.000 to +19.999 |
| pH Resolution | 0.001 / 0.01 / 0.1 |
| pH Accuracy | ±0.003 |
| mV Range | ±1999.9 mV |
| mV Resolution | 0.1 / 1 mV |
| mV Accuracy | ±0.2 mV |
| Temperature Range | –10 to +105 °C |
| Temperature Resolution | 0.1 °C |
| Temperature Accuracy | ±0.5 °C |
| ATC Range | 0 to 100 °C |
| Calibration Options | 1-, 2-, or 3-point with auto-buffer recognition (Jenway, DIN, NIST, JIS standards) |
| Data Storage | Up to 32 measurement records |
| Interface | RS232 (DataWay compatible) |
| Power Supply | 9 V AC ±10%, 50/60 Hz |
| Dimensions (L×W×D) | 210 × 250 × 55 mm |
| Weight | 850 g |
| Brand | Jenway |
|---|---|
| Origin | United Kingdom |
| Model | 3540 |
| Instrument Type | Benchtop |
| Parameter Types | Dual (pH & Conductivity) |
| pH Range | -2.000 to 20.000 |
| pH Resolution | 0.001 / 0.01 / 0.1 |
| pH Accuracy | ±0.003 |
| mV Range | ±1999.9 mV |
| mV Resolution | 0.1 mV |
| mV Accuracy | ±0.2 mV |
| Conductivity Range | Auto-ranging from 0.01 µS to 1.999 S |
| Conductivity Resolution | 0.01 µS to 1 mS |
| Conductivity Accuracy | ±0.5% ±2 digits |
| Temperature Range | -10 to 105 °C |
| Temperature Resolution | 0.1 °C |
| Temperature Accuracy | ±0.5 °C |
| ATC Range | 0 to 100 °C |
| Temperature Coefficient | 0.00 to 4.00 %/°C |
| Reference Temperatures | 18, 20, 25 °C |
| Calibration Points | 1–3 point auto-calibration (pH), 1–3 point auto-calibration (conductivity) |
| Data Storage | 500 readings (250 per mode) |
| Interfaces | BNC (pH), 7-pin DIN (conductivity), RS232, IrDA, analog output |
| Power Supply | 9 V AC ±10%, 50/60 Hz |
| Dimensions (L×W×D) | 210 × 250 × 55 mm |
| Weight | 850 g |
| Brand | Jenway |
|---|---|
| Origin | France |
| Model | 570 |
| Instrument Type | Portable |
| Parameter Types | pH / mV / Temperature |
| pH Range | -2 to 16 |
| pH Resolution | 0.01 |
| pH Accuracy | ±0.02 |
| mV Range | -1000 to +1000 mV |
| mV Resolution | 1 mV |
| mV Accuracy | ±1 mV |
| Temperature Range | -39.9 to 149.9 °C |
| Temperature Resolution | 0.1 °C |
| Temperature Accuracy | ±0.4 °C (-10 to 70 °C) |
| Calibration Points | 2-point |
| Auto Buffer Recognition | Yes |
| ATC Range | 0 to 100 °C |
| IP Rating | IP66/IP67 |
| Auto Power-Off | 10 min |
| Battery Life | 2500 hours |
| Dimensions (L×W×D) | 141 × 71 × 32 mm |
| Weight | 230 g |
| pH Input | BNC |
| Temperature Input | Lumberg screw-lock connector |
| Brand | JIHEPU |
|---|---|
| Origin | Shandong, China |
| Model | IS126 |
| Instrument Type | Benchtop |
| Parameter Type | Single-Parameter (pH/mV) |
| pH Range | −2.00 to 18.00 |
| pH Resolution | 0.01 / 0.1 (selectable) |
| pH Accuracy | ±0.01 |
| mV Range | −2000 to +2000 mV |
| mV Resolution | 1 mV |
| mV Accuracy | ±1 mV |
| Temperature Range (MTC/ATC) | −5.0 to 105.0 °C |
| Temperature Accuracy | ±0.2 °C |
| Calibration Points | 1–5 point, auto-buffer recognition |
| Built-in Buffer Sets | 3 standard groups (NIST, DIN, USA) |
| Data Storage | 1000 measurements with timestamp |
| Display | 5.0-inch color TFT touchscreen (800 × 480) |
| Interface | RS232 serial port |
| Software Compatibility | IS-LINK PC software for real-time data streaming and GLP-compliant reporting |
| Power Supply | External 9 V DC / 1 A adapter |
| Brand | SANXIN |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Category | Domestic |
| Model | LabSen871 |
| Measurement Range | 1–13 pH |
| Brand | SANXIN (Sanxin Peray) |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Model | LabSen873 |
| Measurement Range | 1–13 pH |
| Reference Junction | Dual-Liquid-Junction with Movable Sleeve |
| Sensing Membrane | Reinforced Thick-Film pH Glass |
| Internal Electrolyte | Blue Gelled Polymer Electrolyte |
| Temperature Compensation | Integrated Pt1000 RTD Sensor |
| Compatibility | Methanol, Ethanol, Isopropanol, DMSO, Acetonitrile, Hexane, Chloroform, Toluene, etc. |
| Construction | PHY Protective Hydration Layer for Organic Solvent Resistance |